Connecting Water Piping; About Connecting The Water Piping - Daikin ERGA04EAV37 Installer's Reference Manual

8.6 Connecting water piping

8.6.1 About connecting the water piping

ERGA04~08EAV3+V3A+V37 + EHSH/X(B)04+08P30+50EF
Daikin Altherma 3 R ECH₂O
4P678716-1A – 2022.07
NOTICE
When circulation in each space heating/cooling loop is controlled by remotely
controlled valves, it is important that the minimum water volume is guaranteed,
even if all of the valves are closed.
a Individual room thermostat (optional)
b Shut-off valve
M1...3 Individual motorised valves to control each loop (field supply)
Minimum flow rate
Check that the minimum flow rate in the installation is guaranteed in all conditions.
Minimum required flow rate
12 l/min
NOTICE
When circulation in each or certain space heating loops is controlled by remotely
controlled valves, it is important that the minimum flow rate is guaranteed, even if all
valves are closed. In case the minimum flow rate cannot be reached, a flow error 7H
will be generated (no heating or operation).
See the recommended procedure as described in
4
commissioning" [ 244].
Before connecting the water piping
Make sure the outdoor and indoor unit are mounted.
8
a a a
M1 M2 M3
b
b
Piping installation
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"12.4 Checklist during
Installer reference guide
105